unmark {spatstat} | R Documentation |
Remove the mark information from a spatial dataset.
unmark(X) ## S3 method for class 'ppp': unmark(X) ## S3 method for class 'splitppp': unmark(X) ## S3 method for class 'psp': unmark(X)
X |
A point pattern (object of class "ppp" ),
a split point pattern (object of class "splitppp" ),
or a line segment pattern (object of class "psp" ).
|
A `mark' is a value attached to each point in a spatial point pattern, or attached to each line segment in a line segment pattern, etc.
The function unmark
is a simple way to
remove the marks from such a dataset.
An object of the same class as X
with any mark information deleted.
Adrian Baddeley adrian@maths.uwa.edu.au http://www.maths.uwa.edu.au/~adrian/ and Rolf Turner r.turner@auckland.ac.nz
data(lansing) hicks <- lansing[lansing$marks == "hickory", ] ## Not run: plot(hicks) # still a marked point pattern, but only 1 value of marks plot(unmark(hicks)) # unmarked ## End(Not run)